Report Summary

  • 29

    Performance

    Renders faster than
    49% of other websites

  • 58

    Accessibility

    Visual factors better than
    that of 25% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

Page Load Speed

18.5 sec in total

First Response

3.2 sec

Resources Loaded

15.1 sec

Page Rendered

239 ms

yzhuate.cn screenshot

About Website

Welcome to yzhuate.cn homepage info - get ready to check Yzhuate best content right away, or after learning these important things about yzhuate.cn

苏尔电气有限公司生产销售聚酰亚胺薄膜、云母板、环氧板板等系列绝缘产品,我们主要经营各种绝缘板、管件和加工服务。

Visit yzhuate.cn

Key Findings

We analyzed Yzhuate.cn page load time and found that the first response time was 3.2 sec and then it took 15.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

yzhuate.cn performance score

29

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.9 s

87/100

10%

LCP (Largest Contentful Paint)

Value13.6 s

0/100

25%

SI (Speed Index)

Value6.3 s

41/100

10%

TBT (Total Blocking Time)

Value1,170 ms

21/100

30%

CLS (Cumulative Layout Shift)

Value0.385

27/100

15%

TTI (Time to Interactive)

Value6.1 s

63/100

10%

Network Requests Diagram

yzhuate.cn

3183 ms

www.yzhuate.cn

4743 ms

css.css

1308 ms

logo.jpg

1930 ms

mc.jpg

2609 ms

Our browser made a total of 32 requests to load all elements on the main page. We found that 72% of them (23 requests) were addressed to the original Yzhuate.cn, 9% (3 requests) were made to Pub.idqqimg.com and 3% (1 request) were made to S84.cnzz.com. The less responsive or slowest element that took the longest time to load (7.1 sec) belongs to the original domain Yzhuate.cn.

Page Optimization Overview & Recommendations

Page size can be reduced by 39.4 kB (24%)

Content Size

161.7 kB

After Optimization

122.3 kB

In fact, the total size of Yzhuate.cn main page is 161.7 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 15% of websites need less resources to load. Images take 117.3 kB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 24.2 kB

  • Original 30.4 kB
  • After minification 27.5 kB
  • After compression 6.1 kB

HTML content can be minified and compressed by a website’s server. The most efficient way is to compress content using GZIP which reduces data amount travelling through the network between server and browser. HTML code on this page is well minified. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 24.2 kB or 80% of the original size.

Image Optimization

-5%

Potential reduce by 5.8 kB

  • Original 117.3 kB
  • After minification 111.5 kB

Image size optimization can help to speed up a website loading time. The chart above shows the difference between the size before and after optimization. Yzhuate images are well optimized though.

JavaScript Optimization

-64%

Potential reduce by 6.9 kB

  • Original 10.7 kB
  • After minification 10.7 kB
  • After compression 3.8 kB

It’s better to minify JavaScript in order to improve website performance. The diagram shows the current total size of all JavaScript files against the prospective JavaScript size after its minification and compression. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 6.9 kB or 64% of the original size.

CSS Optimization

-76%

Potential reduce by 2.5 kB

  • Original 3.4 kB
  • After minification 3.1 kB
  • After compression 813 B

CSS files minification is very important to reduce a web page rendering time. The faster CSS files can load, the earlier a page can be rendered. Yzhuate.cn needs all CSS files to be minified and compressed as it can save up to 2.5 kB or 76% of the original size.

Requests Breakdown

Number of requests can be reduced by 6 (21%)

Requests Now

29

After Optimization

23

The browser has sent 29 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Yzhuate. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests and as a result speed up the page load time.

Accessibility Review

yzhuate.cn accessibility score

58

Accessibility Issues

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

Background and foreground colors do not have a sufficient contrast ratio.

Names and labels

These are opportunities to improve the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

<frame> or <iframe> elements do not have a title

High

Links do not have a discernible name

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

yzhuate.cn best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

General

Impact

Issue

High

Browser errors were logged to the console

SEO Factors

yzhuate.cn SEO score

77

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

High

robots.txt is not valid

Mobile Friendly

Make sure your pages are mobile friendly so users don’t have to pinch or zoom in order to read the content pages. [Learn more](https://developers.google.com/search/mobile-sites/).

Impact

Issue

High

Document uses legible font sizes

Language and Encoding

  • Language Detected

    N/A

  • Language Claimed

    N/A

  • Encoding

    GB2312

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Yzhuate.cn can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else) and no language is claimed in <html> or <meta> tags either. Our system also found out that Yzhuate.cn main page’s claimed encoding is gb2312. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

Open Graph description is not detected on the main page of Yzhuate. Lack of Open Graph description can be counter-productive for their social media presence, as such a description allows converting a website homepage (or other pages) into good-looking, rich and well-structured posts, when it is being shared on Facebook and other social media. For example, adding the following code snippet into HTML <head> tag will help to represent this web page correctly in social networks: